posted by Anonymous on .
CH4 + 2 Cl2--> CH2Cl2 + 2HCl
Cl-Cl bond energy: 242 kj/mole
1. Calculate the amount of energy (Joules) needed to break a single Cl-Cl bond.
2. Calculate the longest wavelength of light (meters)that can supply the energy per photon necessary to break the Cl-Cl bond.